GB/T 16658-2026

Determination of copper, cobalt, nickel, zinc, chromium, cadium and lead in coal

STANDARD published on 31.3.2026

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The information about the standard:

Designation standards: GB/T 16658-2026
Note: Execute Date: october 2026
Publication date standards: 31.3.2026
Country: Chinese technical standard
Category: Technical standards GB